I must haven you must haven he must haven we must haven you must haven they must haven
Forma con V-ing
I must be havening you must be havening he must be havening we must be havening you must be havening they must be havening
Perfecto
I must have havened you must have havened he must have havened we must have havened you must have havened they must have havened
Perfecto con V-ing
I must have been havening you must have been havening he must have been havening we must have been havening you must have been havening they must have been havening
Negación
Forma simple
I mustn't haven you mustn't haven he mustn't haven we mustn't haven you mustn't haven they mustn't haven
Forma con V-ing
I mustn't be havening you mustn't be havening he mustn't be havening we mustn't be havening you mustn't be havening they mustn't be havening
Perfecto
I mustn't have havened you mustn't have havened he mustn't have havened we mustn't have havened you mustn't have havened they mustn't have havened
Perfecto con V-ing
I mustn't have been havening you mustn't have been havening he mustn't have been havening we mustn't have been havening you mustn't have been havening they mustn't have been havening
Forma interrogativa
Forma simple
must I haven? must you haven? must he haven? must we haven? must you haven? must they haven?
Forma con V-ing
must I be havening? must you be havening? must he be havening? must we be havening? must you be havening? must they be havening?
Perfecto
must I have havened? must you have havened? must he have havened? must we have havened? must you have havened? must they have havened?
Perfecto con V-ing
must I have been havening? must you have been havening? must he have been havening? must we have been havening? must you have been havening? must they have been havening?
Forma interro-negativa
Forma simple
mustn't I haven? mustn't you haven? mustn't he haven? mustn't we haven? mustn't you haven? mustn't they haven?
Forma con V-ing
mustn't I be havening? mustn't you be havening? mustn't he be havening? mustn't we be havening? mustn't you be havening? mustn't they be havening?
Perfecto
mustn't I have havened? mustn't you have havened? mustn't he have havened? mustn't we have havened? mustn't you have havened? mustn't they have havened?
Perfecto con V-ing
mustn't I have been havening? mustn't you have been havening? mustn't he have been havening? mustn't we have been havening? mustn't you have been havening? mustn't they have been havening?